관리-도구
편집 파일: cow.t
# # $Id: cow.t,v 1.2 2016/08/04 03:15:58 dankogai Exp $ # use strict; use Encode (); use Test::More tests => 4; my %a = ( "L\x{c3}\x{a9}on" => "acme" ); my ($k) = ( keys %a ); Encode::_utf8_on($k); my %h = ( $k => "acme" ); is $h{"L\x{e9}on"} => 'acme'; ($k) = ( keys %h ); Encode::_utf8_off($k); %a = ( $k => "acme" ); is $h{"L\x{e9}on"} => 'acme'; # use Devel::Peek; # Dump(\%h); { # invalid input to encode/decode/from_to should not affect COW-shared scalars my $x = Encode::decode('UTF-8', "\303\244" x 4); my $orig = "$x"; # non-COW copy is($x, $orig, "copy of original string matches"); { my $y = $x; Encode::from_to($y, "UTF-8", "iso-8859-1"); } is($x, $orig, "original scalar unmodified after from_to() call"); }